Home / 132,190.79-182,355.71-84,393.90

Finding the Fourth Proportional to 132,190.79, 182,355.71 and 84,393.90

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Solution

The fourth proportional to 132,190.79, 182,355.71 and 84,393.90 is: 116,420.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,190.79 : 182,355.71 = 84,393.90 : x
  2. Step 2: Convert to fraction form
    132,190.79/182,355.71 = 84,393.90/x
  3. Step 3: Cross multiply
    132,190.79x = 182,355.71 × 84,393.90
  4. Step 4: Simplify right side
    132,190.79x = 15,389,709,132.20
  5. Step 5: Solve for x
    x = 15,389,709,132.20/132,190.79
  6. Step 6: Final answer
    x = 116,420.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.